o for Windows (with COMMAND.COM, CMD.EXE or similar)
- if you have a HOME directory
%HOME%\vimfiles\scripts

- if you don't; but have a VIM directory
%VIM%\vimfiles\scriprs

- otherwise, it will usually be something similar to one of the
following, depending on where you installed Vim (take your pick):
C:\VIM\vimfiles\scripts
"C:Program Files\VIM\vimfiles\scripts"
C:\PROGRA~1\VIM\vimfiles\scripts
C:\vimfiles\scripts

2) Open the script in a text editor such as Vim.
There are two settings at the end which you might want to comment away.

How to use it: simply add the following line to your vimrc, if and when you
want to switch over to UTF-8 processing: